[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D.](https://indike.org/pramana/ins.science.ray-1902) › v1.c13.33 # A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c13.33 A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c13.33 - **Language:** English ### [v1.c13.33](https://indike.org/pramana/ins.science.ray-1902.v1.c13.33) “The mines are described as being tortuous and of great extent; at the working faces it was the custom to light fires which caused the rock to split up. Lamps were used which the miners carried on their heads and with a gad and hammer extracted the ore. The principal ore found appears to have been pyrites. It was sold retail by auction to the proprietors of different furnaces. - [Previous: v1.c13.32](https://indike.org/pramana/ins.science.ray-1902.v1.c13.32) - [Next: v1.c13.34](https://indike.org/pramana/ins.science.ray-1902.v1.c13.34) - [Up: v1.c13](https://indike.org/pramana/ins.science.ray-1902.v1.c13) --- Source: [https://indike.org/pramana/ins.science.ray-1902.v1.c13.33](https://indike.org/pramana/ins.science.ray-1902.v1.c13.33) · Pramāṇa